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Quickest Holden 6 1/4 mile with 1 3/4" SU's

Started by SA EH , May 08 2014 09:54 PM

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#1 SA EH

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Posted 08 May 2014 - 09:54 PM

Ok so I know 1/4 mile times have been flogged to death but I'm narrowing them down to, as the title suggests, holden 6's running triple 1 3/4" su's.
Think I just need some encouragement as to what I can achieve with my combo, but if you wish to add diff gears/gearbox/stall go right ahead.

And I know that you may have run some great numbers with webers & holleys, AND 2" su's, but I don't have those...

#2 SA EH

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Posted 08 May 2014 - 09:57 PM

NO NITROUS!!!!!

#3 N/A-PWR

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Posted 08 May 2014 - 09:59 PM

Yep,

only a 500 Holley here Jonesy,

but that is OK, I will watch your thread grow. Dave I


#4 _ljxu1torana_

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Posted 08 May 2014 - 10:16 PM

does turbo count.


#5 SA EH

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Posted 08 May 2014 - 10:28 PM

Negative, don't have them either.

#6 _ljxu1torana_

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Posted 08 May 2014 - 10:31 PM

just joking there jonsey


#7 N/A-PWR

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Posted 08 May 2014 - 10:43 PM

N/A is the only way



I'll take that back, but in this case it is

 

 

will be interesting to find out the Power of the 1 3/4" SU's


Edited by TORYPOWER, 08 May 2014 - 10:45 PM.

#8 _ljxu1torana_

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Posted 08 May 2014 - 11:15 PM

once you tried forced induction you wont go back.


#9 gtrboyy

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Posted 09 May 2014 - 12:20 AM

SM mag last few months seems to be featuring fx/fj racers from 70's-80's that cracked high 11's.Harrop's Howler etc.

Lighter car,bigger slicks..high comp,big cams etc

 

Most had su's even Harrops Howler in the beginning.


#10 warrenm

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Posted 09 May 2014 - 08:00 AM

Harrops Howler used 2" SU's before the webers.


#11 _ljxu1torana_

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Posted 09 May 2014 - 01:32 PM

Harrops Howler used 2" SU's before the webers.

he is very smart


#12 greens nice

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Posted 09 May 2014 - 05:10 PM

I ran 13.2 @ 100 with 1 3/4's, YT open chamber head I ported, the stick was around [email protected] and .530 lift.
That was until the repco cast pistons exploded, it far exceeded my expectations.

Nothing wrong with the SU's Jason, they have they're application.

Wouldn't it be great if ya could get as cast, undrilled 149 heads, I'm sure a few were smuggled from the foundry back in the day.

#13 _ljxu1torana_

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Posted 09 May 2014 - 09:28 PM

if you like the su kevin i am happy for you.


#14 SA EH

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Posted 10 May 2014 - 12:38 AM

Cheers Kev, that's the comparison I wanted.
Cam spec is similar to mine, and that times still using the stick I assume...
Got to love su's, makes the haters bite every time...

#15 _ljxu1torana_

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Posted 10 May 2014 - 12:42 AM

Cheers Kev, that's the comparison I wanted.
Cam spec is similar to mine, and that times still using the stick I assume...
Got to love su's, makes the haters bite every time...

i never said i hated them.


#16 _1973bathxu1_

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Posted 10 May 2014 - 09:06 AM

hi 2 cars come to mind, harrops fj howler and a lj torana coupe a friend of mine bought in sydney some 30 years ago the name was duel yellow in color the owner kept the engine and box
i believe a forum members dad raced, it cant remember the times, similar to harrops times
im sure some one will know the times of the duel torana and put them up

regards aldo

#17 warrenm

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Posted 11 May 2014 - 08:54 AM

The Torana was Jim Rowley, it ran 12.2s,not sure what MPH. Do you know where the car is now?


#18 greens nice

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Posted 11 May 2014 - 09:19 AM

Duel had 2 inch SU's on alky, last I hears the engine was sold and was going into an Lh/lx race car.

#19 SA EH

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Posted 11 May 2014 - 10:06 PM

Thanks for the updates guys, keep them coming.
Obviously there's not too many people running 1 3/4" for anything remotely close to racing purposes, maybe for good reason, but we'll see.

#20 _ljxu1torana_

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Posted 11 May 2014 - 11:14 PM

Thanks for the updates guys, keep them coming.
Obviously there's not too many people running 1 3/4" for anything remotely close to racing purposes, maybe for good reason, but we'll see.

are they are a constant depression carby?


#21 SA EH

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Posted 12 May 2014 - 07:48 AM

Lol!
Yes, in more ways than one...

#22 warrenm

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Posted 12 May 2014 - 08:03 AM

I can't remember 100%, but I think I was running mid 13s with 1 3/4" SU's. No reason you can't run 12s.


#23 SA EH

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Posted 12 May 2014 - 08:15 AM

Would love to take 200kg out of it somewhere though waz.

#24 _Bomber Watson_

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Posted 12 May 2014 - 12:11 PM

are they are a constant depression carby?


Quoted due to laughter

:-)

#25 _stretchlc_

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Posted 12 May 2014 - 12:27 PM

:fool:


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